# Relationship history for MSHA mine 4702555

Current hierarchy: **North Cliff Corporation → Badger Mining Corporation → Taylor Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Timothy J  Wuest → Taylor Plant; 1950-01-01 to 2023-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Badger Mining Corporation → Taylor Plant; 1978-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy J  Wuest → Badger Mining Corporation; 1978-12-01 to 2023-10-24; source msha-controller-operator-history
- **controller_controls_mine:** North Cliff Corporation → Taylor Plant; 2023-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** North Cliff Corporation → Badger Mining Corporation; 2023-10-25 to current/open; source msha-controller-operator-history